Convert SIG30-C to the new dataflow library

Author: jketema

c/cert/src/rules/SIG30-C/CallOnlyAsyncSafeFunctionsWithinSignalHandlers.ql

@@ -19,7 +19,7 @@
 import cpp
 import codingstandards.c.cert
 import codingstandards.c.Signal
-import semmle.code.cpp.dataflow.DataFlow
+import semmle.code.cpp.dataflow.new.DataFlow
 
 /**
  * Does not access an external variable except

c/cert/test/rules/SIG30-C/CallOnlyAsyncSafeFunctionsWithinSignalHandlers.expected

@@ -1,6 +1,3 @@
-WARNING: module 'DataFlow' has been deprecated and may be removed in future (CallOnlyAsyncSafeFunctionsWithinSignalHandlers.ql:110,11-19)
-WARNING: module 'DataFlow' has been deprecated and may be removed in future (CallOnlyAsyncSafeFunctionsWithinSignalHandlers.ql:110,31-39)
-WARNING: module 'DataFlow' has been deprecated and may be removed in future (CallOnlyAsyncSafeFunctionsWithinSignalHandlers.ql:111,9-17)
 | test.c:10:3:10:18 | call to log_local_unsafe | Asyncronous-unsafe function calls within a $@ can lead to undefined behavior. | test.c:16:7:16:12 | call to signal | signal handler |
 | test.c:11:3:11:6 | call to free | Asyncronous-unsafe function calls within a $@ can lead to undefined behavior. | test.c:16:7:16:12 | call to signal | signal handler |
 | test.c:46:3:46:9 | call to longjmp | Asyncronous-unsafe function calls within a $@ can lead to undefined behavior. | test.c:50:7:50:12 | call to signal | signal handler |